Building the VirtualBox Guest Additions kernel modules [FAILED] Your system does not seem to be set up to build kernel modules. Look at /var/log/vboxadd-install.log to find out what went wrong. Once you have corrected it, you can run /etc/init.d/vboxadd setup to build them.
#gedit /var/log/vboxadd-install.log 内容
Makefile:23: *** Error: unable to find the sources of your current Linux kernel. Specify KERN_DIR=<directory> and run Make again.. Stop. Creating user for the Guest Additions. Creating udev rule for the Guest Additions kernel module.
